EP3997523A4 - Joints d'unité de développement à canaux de fluide - Google Patents

Joints d'unité de développement à canaux de fluide Download PDF

Info

Publication number: EP3997523A4
Authority: EP; European Patent Office
Prior art keywords: fluid channel; development unit; channel development; unit gaskets; gaskets
Prior art date: 2019-10-08
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Granted

Application number

EP19948235.7A

Other languages

German (de)

English (en)

Other versions

EP3997523B1 (fr

EP3997523A1 (fr

Inventor

Jeffrey ZAMPELL

John W. Godden

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Hewlett Packard Development Co LP

Original Assignee

Hewlett Packard Development Co LP

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

2019-10-08

Filing date

2019-10-08

Publication date

2023-04-26

2019-10-08 Application filed by Hewlett Packard Development Co LP filed Critical Hewlett Packard Development Co LP

2022-05-18 Publication of EP3997523A1 publication Critical patent/EP3997523A1/fr

2023-04-26 Publication of EP3997523A4 publication Critical patent/EP3997523A4/fr

2024-09-04 Application granted granted Critical

2024-09-04 Publication of EP3997523B1 publication Critical patent/EP3997523B1/fr

Status Active legal-status Critical Current

2039-10-08 Anticipated expiration legal-status Critical

Classifications

- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
- G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
- G03G15/0806—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller
- G03G15/0817—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller characterised by the lateral sealing at both sides of the donor member with respect to the developer carrying direction
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
- G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
- G03G15/0896—Arrangements or disposition of the complete developer unit or parts thereof not provided for by groups G03G15/08 - G03G15/0894
- G03G15/0898—Arrangements or disposition of the complete developer unit or parts thereof not provided for by groups G03G15/08 - G03G15/0894 for preventing toner scattering during operation, e.g. seals

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Wet Developing In Electrophotography (AREA)

EP19948235.7A 2019-10-08 2019-10-08 Joints d'unité de développement à canaux de fluide Active EP3997523B1 (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
PCT/US2019/055171 WO2021071473A1 (fr)	2019-10-08	2019-10-08	Joints d'unité de développement à canaux de fluide

Publications (3)

Publication Number	Publication Date
EP3997523A1 EP3997523A1 (fr)	2022-05-18
EP3997523A4 true EP3997523A4 (fr)	2023-04-26
EP3997523B1 EP3997523B1 (fr)	2024-09-04

Family

ID=75437544

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP19948235.7A Active EP3997523B1 (fr)	2019-10-08	2019-10-08	Joints d'unité de développement à canaux de fluide

Country Status (3)

Country	Link
US (1)	US11934114B2 (fr)
EP (1)	EP3997523B1 (fr)
WO (1)	WO2021071473A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2021206700A1 (fr)	2020-04-08	2021-10-14	Hewlett-Packard Development Company, L.P.	Joints d'unité de développement à embouts ayant des canaux

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5539503A (en) *	1994-12-19	1996-07-23	Hewlett-Packard Company	Magnetic drive for a liquid toner cartridge and the liquid supply system for the cartridge
US20120304878A1 (en) *	2011-06-03	2012-12-06	Daihua Zhang	Imaging devices
US20140029971A1 (en) *	2012-07-27	2014-01-30	James Pingel	Sealing device including a first replaceable compliant sealing member and a latch member
WO2018141370A1 (fr) *	2017-01-31	2018-08-09	Hp Indigo B.V.	Bague anti-frottement pour rouleau de développeur dans une imprimante électro-graphique à développement liquide

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US6033064A (en) *	1994-10-31	2000-03-07	Hewlett-Packard Company	Inkjet printer with off-axis ink supply
US5980032A (en) *	1994-10-31	1999-11-09	Hewlett-Packard Company	Compliant ink interconnect between print cartridge and carriage
US6487383B2 (en)	2001-04-12	2002-11-26	Lexmark International, Inc.	Dynamic end-seal for toner development unit
US6760555B2 (en)	2002-03-21	2004-07-06	Hewlett-Packard Development Company, L.P.	System for and method of toner flow control
US7623807B2 (en)	2005-12-15	2009-11-24	Lexmark International, Inc.	Dynamic seal for component surfaces
WO2012044292A1 (fr) *	2010-09-29	2012-04-05	Hewlett-Packard Development Company, L.P.	Unité de révélateur d'encre et dispositif d'étanchéité utilisable avec l'unité de révélateur d'encre
US8867966B2 (en) *	2011-12-30	2014-10-21	Lexmark International, Inc.	Toner cartridge for use in an image forming device
US8948649B2 (en)	2012-03-28	2015-02-03	Lexmark International, Inc.	Sealing member having internal lubricant additives
JP6120049B2 (ja)	2012-12-05	2017-04-26	株式会社リコー	シール機構、現像装置、プロセスユニット、及び、画像形成装置
US10120302B2 (en) *	2014-01-31	2018-11-06	Hp Indigo B.V.	Sealing ink developer units with multiple compliant sealing members
JP6443133B2 (ja) *	2015-03-04	2018-12-26	ブラザー工業株式会社	現像装置

2019
- 2019-10-08 EP EP19948235.7A patent/EP3997523B1/fr active Active
- 2019-10-08 WO PCT/US2019/055171 patent/WO2021071473A1/fr not_active Ceased
- 2019-10-08 US US17/633,627 patent/US11934114B2/en active Active

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5539503A (en) *	1994-12-19	1996-07-23	Hewlett-Packard Company	Magnetic drive for a liquid toner cartridge and the liquid supply system for the cartridge
US20120304878A1 (en) *	2011-06-03	2012-12-06	Daihua Zhang	Imaging devices
US20140029971A1 (en) *	2012-07-27	2014-01-30	James Pingel	Sealing device including a first replaceable compliant sealing member and a latch member
WO2018141370A1 (fr) *	2017-01-31	2018-08-09	Hp Indigo B.V.	Bague anti-frottement pour rouleau de développeur dans une imprimante électro-graphique à développement liquide

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2021071473A1 *

Also Published As

Publication number	Publication date
WO2021071473A1 (fr)	2021-04-15
US11934114B2 (en)	2024-03-19
US20220283527A1 (en)	2022-09-08
EP3997523B1 (fr)	2024-09-04
EP3997523A1 (fr)	2022-05-18

Publication	Publication Date	Title
EP3411607A4 (fr)	2019-11-27	Raccord rotatif à joint d'étanchéité à soufflet
EP3900894A4 (fr)	2022-03-02	Unité d'articulation de robot à degré élevé d'intégrité et haute performance
JP1734955S (ja)	2023-01-19	流体継手
EP3812731A4 (fr)	2021-11-03	Dispositif de détection d'étanchéité à l'air
PT4110452T (pt)	2025-01-14	Conjunto de mistura de fluidos
EP3816489C0 (fr)	2024-10-09	Bague d'étanchéité
EP3869078A4 (fr)	2022-08-03	Structure d'étanchéité
EP3926218A4 (fr)	2022-11-16	Bague d'étanchéité et écran d'affichage à led
EP3644329A4 (fr)	2021-09-01	Matériau de réparation de fuite d'huile, procédé de réparation de fuite d'huile et conduites
EP3857019C0 (fr)	2023-08-30	Joint d'étanchéité amélioré pour un puits
EP3826783A4 (fr)	2022-04-20	Liaison destinée à différentes structures coulissant ensemble
JP1730323S (ja)	2022-11-21	流体継手
EP4191097A4 (fr)	2024-08-21	Dispositif d'étanchéité
EP3645153A4 (fr)	2021-03-31	Produit d'étanchéité résistant aux fluides d'aéronef destiné à être utilisé sur des parties d'aéronef
EP4058683A4 (fr)	2023-11-29	Appareil d'embrayage à fluide magnéto-rhéologique programmable
EP3726100A4 (fr)	2021-03-17	Joint d'étanchéité
EP3997523A4 (fr)	2023-04-26	Joints d'unité de développement à canaux de fluide
EP3830456A4 (fr)	2022-05-11	Joint d'étanchéité de robinet à bille
EP4006114A4 (fr)	2023-08-09	Agent de revêtement pour joint étanche à l'huile
EP3994337A4 (fr)	2022-07-27	Détermination de la rhéologie d'un fluide dans un puits de pétrole ou de gaz
EP3425222A4 (fr)	2019-03-20	Palier à joint d'étanchéité
EP4419825A4 (fr)	2025-01-15	Couplages fluidiques
EP4215779A4 (fr)	2024-10-09	Dispositif d'étanchéité
EP3821147A4 (fr)	2022-03-16	Ensemble joint d'étanchéité inter-arbres avec rainures étagées à axes multiples
EP4165328A4 (fr)	2024-06-05	Joints d'étanchéité à haute-pression

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